31320840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1237}}^1$

素因数の和:1462

約数の個数: 64

約数和(自身を含む): 94484160

約数和(自身を除く): 63163320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 844, 1055, 1237, 1266, 1688, 2110, 2474, 2532, 3165, 3711, 4220, 4948, 5064, 6185, 6330, 7422, 8440, 9896, 12370, 12660, 14844, 18555, 24740, 25320, 29688, 37110, 49480, 74220, 148440, 261007, 522014, 783021, 1044028, 1305035, 1566042, 2088056, 2610070, 3132084, 3915105, 5220140, 6264168, 7830210, 10440280, 15660420, 31320840]

約数ペア:

[(1, 31320840), (2, 15660420), (3, 10440280), (4, 7830210), (5, 6264168), (6, 5220140), (8, 3915105), (10, 3132084), (12, 2610070), (15, 2088056), (20, 1566042), (24, 1305035), (30, 1044028), (40, 783021), (60, 522014), (120, 261007), (211, 148440), (422, 74220), (633, 49480), (844, 37110), (1055, 29688), (1237, 25320), (1266, 24740), (1688, 18555), (2110, 14844), (2474, 12660), (2532, 12370), (3165, 9896), (3711, 8440), (4220, 7422), (4948, 6330), (5064, 6185)]